ProjectForge is a Web-based solution for project management including time sheet booking, Gantt charts, financial administration and controlling, issue management, and managing work-break-down structures. First-party and third-party plugins are supported. Ready-to-run packages of the ProjectForge server are available for Windows, Mac OS X, and all Java6-capable platforms (database and Web server are included). ProjectForge is also available as a web-archive file (war) for usage within your own Web server and for your own database installation.

todoyu is a powerful project and task management system. The core features are project handling, time tracking, time sheets, resource management, calendar, customizable reporting, keeping track of communication and decisions, invoicing directly from tracked time, and address management of customers and employees. It improves billing accuracy and timeliness, and removes risk from the billing process. A todoyu customer's clients get visibility into the project work done on their behalf. The system is extensible with additional modules. The system is completely Web based and translated in 12 languages.

Wyrd is a curses front-end for Remind, a powerful
calendar and alarm application. The display
features a scrollable time table suitable for
visualizing your schedule at a glance. Wyrd
integrates with an external editor of your choice
to make editing of reminder files more efficient,
and provides hotkeys to quickly access the most
common Remind options. Other features include
extensive configurability, Mutt-like interface
design, and minimal resource requirements.

etmTk is an event and task manager. In contrast to most calendar/todo applications, creating items (events, tasks, and so forth) in etm does not require filling out fields in a form. Instead, items are created as free-form text entries using a simple, intuitive format and stored in plain text files. Both a graphical user interface based on Tkinter and a command line interface are provided.

GTD-Free is personal todo/action manager inspired
by the GTD (Getting Things Done) method by David
Allen. It tries to be a simple and easy to use
management tool. It aims to guide users to manage
very efficient GTD workflow even if they are not
familiar with GTD or are too unorganized to follow
it. The user interface is clean and simple at each
step of the workflow: the user objective should be
to get things done and spend a minimum of time
with the tool itself.

Scrumix is project and task management application. Its main purpose is to try to make things a little bit easier to handle and organize with as much simplicity as possible. Its features include a taskboard, project areas, integrated TiddlyWiki, and file browsing.

HiveMind Project Manager is a project management application featuring request tracking, and wiki-based content management. It supports multiple vendors, multiple clients, flexible billing rates, time recording, expenses, client and vendor/worker invoicing, payments, and general ledger. In addition to specific find screens for everything, there is a single screen with general text and parametric search across projects, tasks, requests, and wiki pages. Based on Moqui Framework and Mantle Business Artifacts, HiveMind has a solid business foundation and is well suited to complex customization.

Project Estimate Tracker (PET) from shadowfax.org.uk is designed to allow teams to track progress and time spent on projects. It allows team members to set up new Projects and Tasks and record estimates of task completion. As the project moves on, completion estimates may be revised to reflect changes, delays, etc. It also contains a time-sheet component that allows team members to record time spent against tasks.

The Plandora project is a tool to help the software development process, from the customer requirement phase until the task conclusion. It consequently gathers the history of the project. The Plandora system can be useful for teams that have problems with resource bottle-necks, parallel projects, critical dead lines, necessity for scope documentation of tasks and requirements, and more.

headstak is a stack-based task list. Before you start a task, or when you are interrupted while working on a task, you push the current job onto a stack. When the interruption finishes, or when the task is complete, you pop it from the stack - leaving you facing the job you were working on beforehand at the top of the stack. Run it and it should appear on your status bar as a little stack of stuff on a head. It is activated with the Control-Command-0 global hotkey.